windows 下获取当前进程的线程数量

#include <TlHelp32.h>

int get_thread_amount()

{

    int i = ;

    char Buff[];

    PROCESSENTRY32 pe32;

    pe32.dwSize = sizeof(pe32);

    int processid = GetCurrentProcessId();

    HANDLE hProcessSnap = ::CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, );

    if (hProcessSnap == INVALID_HANDLE_VALUE)

    {

        printf("CreateToolhelp32Snapshot() failed. error code:%d.\n", GetLastError());

        return ;

    }

    BOOL bMore = ::Process32First(hProcessSnap, &pe32);

    HANDLE hProcess;

    while (bMore)

    {

        if (pe32.th32ProcessID == processid)

        {

            return pe32.cntThreads;

        }

        bMore = Process32Next(hProcessSnap, &pe32);

        i++;

    }

    return ;

}